Stock material or miscellaneous articles – Web or sheet containing structurally defined element or... – Noninterengaged fiber-containing paper-free web or sheet...
Reexamination Certificate
2006-11-21
2006-11-21
Edwards, N. (Department: 1774)
Stock material or miscellaneous articles
Web or sheet containing structurally defined element or...
Noninterengaged fiber-containing paper-free web or sheet...
C428S221000, C428S301100
Reexamination Certificate
active
07138174
ABSTRACT:
The present invention is directed to a prepreg comprising a fiber base material impregnated with a resin composition which comprises a polyamide-imide resin and a thermosetting resin as essential components, and a metal-clad laminated sheet obtained by pressing the prepreg and a metal foil having a surface roughness: Rz≦3.0 together while heating. In addition, the present invention provides a heat-resistant laminated sheet which is excellent in micro-wiring formation properties, thermal shock resistance, reflow resistance, and crack resistance.
REFERENCES:
patent: 3973103 (1976-08-01), Tadewald
patent: 4032751 (1977-06-01), Youtsey et al.
patent: 6156870 (2000-12-01), Morita et al.
patent: 6252010 (2001-06-01), Takeuchi et al.
patent: 6475629 (2002-11-01), Takeuchi et al.
Takeuchi Kazumasa
Tanaka Yuko
Antonelli, Terry Stout and Kraus, LLP.
Edwards N.
Hitachi Chemical Co. Ltd.
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